diff --git a/kernel/panic.c b/kernel/panic.c index d2a5f4ecc6dd..e1b2822fff97 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -74,6 +74,14 @@ void panic(const char *fmt, ...) long i, i_next = 0; int state = 0; + /* + * Disable local interrupts. This will prevent panic_smp_self_stop + * from deadlocking the first cpu that invokes the panic, since + * there is nothing to prevent an interrupt handler (that runs + * after the panic_lock is acquired) from invoking panic again. + */ + local_irq_disable(); + /* * It's possible to come here directly from a panic-assertion and * not have preempt disabled. Some functions called from here want